OTN Step-up, step-down, network energy integration liquid immersed power transformers ELECTRICAL DATA & DESIGN FEATURES Rating Power: Up to 180 MVA N° of Phases: Single, three phase and Scott design Windings & type of design: - Standard core type with 3 or 5 limbs - Autotransformer - Mobile substation Cooling: (K)ONAN - (K)ONAF - (K)OFAF -(K)ODAF (K)OFWF - (K)ODWF - (K)OFAN - (K)ODAN Frequency: 50, 60, 25, 16 2/3 Hz (fix or variable) Standards: Any Standard applicable Primary Winding: Single or multi-primary voltage design Max Working Voltage (Um): Up to 245 kV Voltage Regulation: - No Load Tap Changer (NLTC) - On Load Tap Changer (OLTC) Secondary Winding: Single or multi-secondary windings design Insulating Level: Up to L.I. 1050 kV Winding Conductors: Cu or Al (according to the transformer size) Bushing Protection Degree: Cable boxes, GIS, Oil to Oil, RIP, Composite or any special bushing execution or coupling, Plug-in type Ambient Temperature (MIN/MAX): From (minus)-60°C to MAX required design Altitude of installation: Up to 4500 m Installation: - Arctic areas - Desert conditions - Off-Shore/Marine - Seismic areas - Heavy duty (Steel & metal process) - Special environment (Panting process) - Low noise areas - Mobile substations Painting Cycles: Available Know-how in a wide range of environment conditions Tank Execution: - Cover bolted or welded - Standard tank or Bell type - Material and design suitable for any site requirement Available Insulating Liquid: Mineral oil, Silicon fluid, Synthetic or Vegetal Ester fluid (Bio) ACCESSORIES ON REQUEST A wide of state of the art accessories available for: - Life safety equipments - Fire detection - Power quality integration - Auxiliary boxes - Life cycle monitoring unit device - Coupling accessories for plant request - WI-FI system monitoring - Any other special needs if applicable SPECIAL TECHNICAL REMARKS - Latest design and production technology checked by a fully equipped test lab and validated by a wide range of special and type test certification. - Finite Elements Design is available for special executions and details engineering, both for electrical and mechanical calculations. ALL KIND OF DESIGN IMPLEMENTATION AVAILABLE ON REQUEST (if applicable) Rev.01 – September 25th, 2014 S.E.A. Società Elettromeccanica Arzignanese S.p.A. - Società con Socio Unico, soggetta a direzione e coordinamento di ESSSE S.p.A. Sede Centrale, Legale e Amministrativa: Via Leonardo Da Vinci, 14 - 36071 Tezze di Arzignano (VI) - Italia - Partita IVA 01619830241 Casella Postale 50 - Tel. +39 0444 482100 - Fax. +39 0444 482519 - E-mail: info@seatrasformatori.it - PEC: seatrasformatori@pec.it - Website: www.seatrasformatori.it